“Model2Life”: Research project on predictive battery development completed

“Model2Life”: Research project on predictive battery development completed
“Model2Life”: Research project on predictive battery development completed

In the joint project, PEM examined certain reuse scenarios for mobile battery systems with the Institute for Power Converter Technology and Electrical Drives (ISEA) and the Chair and Institute for Machine Elements and System Development (MSE) at RWTH Aachen University. It also addressed the question of how the development of cell and system concepts should be designed at an early stage to meet the requirements of later “second life” uses.

For this purpose, factors such as the aging and service life of the cells were examined in order to determine the influence on performance and, above all, safety when used in “second life” – for example if a battery system or individual battery cells are later used in an electric car after several years of initial use to be used in a stationary power storage system. As part of the project, a mechanical installation space model, a thermal model, an aging model, an electrical wiring model and a cost and CO2 model were developed or adapted.

The goal was to be able to simulate the behavior of the batteries with these models. “The project has shown how important simulations are in the battery development process,” says PEM head Professor Achim Kampker. Follow-up projects are therefore already planned that will continue to pursue the “Model2Life” approach and transfer it to industry. Interested companies can contact the PEM, the contact is included in the communication linked below. However, the researchers will probably have to do without funding because, as is well known, German funding for battery research was cut in the 2024 budget.

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“Model2Life” was an accompanying project of the “Battery Usage Concepts” (BattUtzung) competence cluster funded by the federal government and was intended to “show ways for a significant increase in the reuse rate of used, still functional battery cells,” said the chair in the communication.

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